ZA202104213B - Antibodies that neutralize hepatitis b virus and uses thereof - Google Patents
Antibodies that neutralize hepatitis b virus and uses thereofInfo
- Publication number
- ZA202104213B ZA202104213B ZA2021/04213A ZA202104213A ZA202104213B ZA 202104213 B ZA202104213 B ZA 202104213B ZA 2021/04213 A ZA2021/04213 A ZA 2021/04213A ZA 202104213 A ZA202104213 A ZA 202104213A ZA 202104213 B ZA202104213 B ZA 202104213B
- Authority
- ZA
- South Africa
- Prior art keywords
- antibodies
- hepatitis
- present disclosure
- virus
- antigen binding
- Prior art date
Links
- 241000700721 Hepatitis B virus Species 0.000 title abstract 2
- 239000000427 antigen Substances 0.000 abstract 4
- 102000036639 antigens Human genes 0.000 abstract 4
- 108091007433 antigens Proteins 0.000 abstract 4
- 239000012634 fragment Substances 0.000 abstract 3
- 241000724709 Hepatitis delta virus Species 0.000 abstract 2
- 102000008394 Immunoglobulin Fragments Human genes 0.000 abstract 2
- 108010021625 Immunoglobulin Fragments Proteins 0.000 abstract 2
- 208000002672 hepatitis B Diseases 0.000 abstract 2
- 208000005331 Hepatitis D Diseases 0.000 abstract 1
- 208000037262 Hepatitis delta Diseases 0.000 abstract 1
- 230000000890 antigenic effect Effects 0.000 abstract 1
- 238000003745 diagnosis Methods 0.000 abstract 1
- 102000037865 fusion proteins Human genes 0.000 abstract 1
- 108020001507 fusion proteins Proteins 0.000 abstract 1
- 208000029570 hepatitis D virus infection Diseases 0.000 abstract 1
- 208000015181 infectious disease Diseases 0.000 abstract 1
- 102000039446 nucleic acids Human genes 0.000 abstract 1
- 108020004707 nucleic acids Proteins 0.000 abstract 1
- 150000007523 nucleic acids Chemical class 0.000 abstract 1
- 238000011321 prophylaxis Methods 0.000 abstract 1
- 238000011282 treatment Methods 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/08—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
- C07K16/081—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from DNA viruses
- C07K16/082—Hepadnaviridae, e.g. hepatitis B virus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
- A61K31/522—Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
- A61K39/39533—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals
- A61K39/39541—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum against materials from animals against normal tissues, cells
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
- A61K39/42—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum viral
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
- A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/14—Antivirals for RNA viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
- C07K14/70503—Immunoglobulin superfamily
- C07K14/7051—T-cell receptor (TcR)-CD3 complex
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/08—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses
- C07K16/10—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
- C12N15/86—Viral vectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/569—Immunoassay; Biospecific binding assay; Materials therefor for microorganisms, e.g. protozoa, bacteria, viruses
- G01N33/56983—Viruses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2300/00—Mixtures or combinations of active ingredients, wherein at least one active ingredient is fully defined in groups A61K31/00 - A61K41/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
- C07K2317/24—Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/52—Constant or Fc region; Isotype
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/50—Immunoglobulins specific features characterized by immunoglobulin fragments
- C07K2317/56—Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
- C07K2317/565—Complementarity determining region [CDR]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
- C07K2317/622—Single chain antibody (scFv)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/72—Increased effector function due to an Fc-modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
- C07K2317/732—Antibody-dependent cellular cytotoxicity [ADCC]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/73—Inducing cell death, e.g. apoptosis, necrosis or inhibition of cell proliferation
- C07K2317/734—Complement-dependent cytotoxicity [CDC]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
- C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
- C07K2319/02—Fusion polypeptide containing a localisation/targetting motif containing a signal sequence
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/01—Fusion polypeptide containing a localisation/targetting motif
- C07K2319/03—Fusion polypeptide containing a localisation/targetting motif containing a transmembrane segment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/33—Fusion polypeptide fusions for targeting to specific cell types, e.g. tissue specific targeting, targeting of a bacterial subspecies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/005—Assays involving biological materials from specific organisms or of a specific nature from viruses
- G01N2333/01—DNA viruses
- G01N2333/02—Hepadnaviridae, e.g. hepatitis B virus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2800/00—Detection or diagnosis of diseases
- G01N2800/26—Infectious diseases, e.g. generalised sepsis
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Virology (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Genetics & Genomics (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Communicable Diseases (AREA)
- Epidemiology (AREA)
- Oncology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Mycology (AREA)
- Cell Biology (AREA)
- Hematology (AREA)
- Urology & Nephrology (AREA)
- Toxicology (AREA)
- Gastroenterology & Hepatology (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Food Science & Technology (AREA)
Abstract
The present disclosure relates to antibodies, and antigen binding fragments thereof, that can bind to the antigenic loop region of hepatitis B surface antigen (HBsAg) and can neutralize infection of both hepatitis B virus (HBV) and hepatitis delta virus (HDV). The present disclosure also relates to epitopes to which the antibodies and antigen binding fragments bind, as well as to fusion proteins that comprise the antigen binding fragments, and to nucleic acids that encode and cells that produce such antibodies and antibody fragments. In addition, the present disclosure relates to the use of the antibodies and antibody fragments of the present disclosure in the diagnosis, prophylaxis and treatment of hepatitis B and hepatitis D.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862782274P | 2018-12-19 | 2018-12-19 | |
US201962860085P | 2019-06-11 | 2019-06-11 | |
PCT/US2019/067216 WO2020132091A2 (en) | 2018-12-19 | 2019-12-18 | Antibodies that neutralize hepatitis b virus and uses thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA202104213B true ZA202104213B (en) | 2023-12-20 |
Family
ID=69182688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA2021/04213A ZA202104213B (en) | 2018-12-19 | 2021-06-18 | Antibodies that neutralize hepatitis b virus and uses thereof |
Country Status (23)
Country | Link |
---|---|
US (1) | US20220127336A1 (en) |
EP (2) | EP4292659A3 (en) |
JP (1) | JP7498714B2 (en) |
KR (1) | KR20210126558A (en) |
CN (2) | CN113544148B (en) |
AU (1) | AU2019403245A1 (en) |
BR (1) | BR112021012094A2 (en) |
CA (1) | CA3121004A1 (en) |
DK (1) | DK3898668T3 (en) |
ES (1) | ES2961791T3 (en) |
FI (1) | FI3898668T3 (en) |
HR (1) | HRP20231440T1 (en) |
HU (1) | HUE063732T2 (en) |
IL (1) | IL284044A (en) |
LT (1) | LT3898668T (en) |
MX (1) | MX2021006756A (en) |
PL (1) | PL3898668T3 (en) |
PT (1) | PT3898668T (en) |
SG (1) | SG11202106483WA (en) |
SI (1) | SI3898668T1 (en) |
TW (1) | TW202039547A (en) |
WO (1) | WO2020132091A2 (en) |
ZA (1) | ZA202104213B (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3152511A1 (en) * | 2019-08-29 | 2021-03-04 | Vir Biotechnology, Inc. | Antibody compositions and methods for treating hepatitis b virus infection |
BR112022026316A2 (en) | 2020-06-24 | 2023-03-07 | Vir Biotechnology Inc | ENGINEERED HEPATITIS B VIRUS NEUTRALIZING ANTIBODIES AND THEIR USES |
JP2023545520A (en) * | 2020-10-14 | 2023-10-30 | ビリジアン セラピューティクス, インコーポレイテッド | Compositions and methods for treating thyroid eye disease |
CN116583273A (en) * | 2020-10-14 | 2023-08-11 | 维里迪安治疗公司 | Compositions and methods for treating thyroid eye disorders |
US20240092872A1 (en) * | 2021-01-26 | 2024-03-21 | Vir Biotechnology, Inc. | Compositions and methods for treating hepatitis b virus infection |
TW202411245A (en) * | 2022-05-19 | 2024-03-16 | 美商維爾生物科技公司 | Compositions and methods for treating hepatitis d virus (hdv) infection and associated diseases |
WO2023225598A2 (en) * | 2022-05-19 | 2023-11-23 | Vir Biotechnology, Inc. | Compositions and methods for treating hepatitis b virus (hbv) infection and hbv-associated diseases |
WO2023230439A1 (en) | 2022-05-23 | 2023-11-30 | Vir Biotechnology, Inc. | Fc-engineered hepatitis b virus neutralizing antibodies and uses thereof |
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2019
- 2019-12-18 PT PT198395584T patent/PT3898668T/en unknown
- 2019-12-18 BR BR112021012094-7A patent/BR112021012094A2/en unknown
- 2019-12-18 SI SI201930652T patent/SI3898668T1/en unknown
- 2019-12-18 CN CN201980092549.9A patent/CN113544148B/en active Active
- 2019-12-18 WO PCT/US2019/067216 patent/WO2020132091A2/en active Application Filing
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JP2022514940A (en) | 2022-02-16 |
TW202039547A (en) | 2020-11-01 |
SG11202106483WA (en) | 2021-07-29 |
AU2019403245A1 (en) | 2021-07-22 |
IL284044A (en) | 2021-08-31 |
CA3121004A1 (en) | 2020-06-25 |
EP3898668A2 (en) | 2021-10-27 |
PL3898668T3 (en) | 2024-04-02 |
US20220127336A1 (en) | 2022-04-28 |
EP4292659A3 (en) | 2024-03-20 |
CN118108836A (en) | 2024-05-31 |
ES2961791T3 (en) | 2024-03-13 |
DK3898668T3 (en) | 2023-11-13 |
WO2020132091A9 (en) | 2021-02-25 |
FI3898668T3 (en) | 2023-11-28 |
BR112021012094A2 (en) | 2021-08-31 |
EP4292659A2 (en) | 2023-12-20 |
CN113544148B (en) | 2024-04-05 |
WO2020132091A2 (en) | 2020-06-25 |
EP3898668B1 (en) | 2023-08-30 |
WO2020132091A3 (en) | 2020-10-15 |
MX2021006756A (en) | 2021-09-28 |
KR20210126558A (en) | 2021-10-20 |
HRP20231440T1 (en) | 2024-03-01 |
CN113544148A (en) | 2021-10-22 |
LT3898668T (en) | 2023-11-10 |
SI3898668T1 (en) | 2024-02-29 |
JP7498714B2 (en) | 2024-06-12 |
PT3898668T (en) | 2023-12-06 |
HUE063732T2 (en) | 2024-01-28 |
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